diff --git a/build.rs b/build.rs
index 27ec5f3b7aa5f..e95c5cf853f8e 100644
--- a/build.rs
+++ b/build.rs
@@ -21,7 +21,7 @@ const ALLOWED_CFGS: &[&str] = &[
     "libc_ctest",
     // Corresponds to `__USE_TIME_BITS64` in UAPI
     "linux_time_bits64",
-    "musl_v1_2_3"
+    "musl_v1_2_3",
 ];
 
 // Extra values to allow for check-cfg.
diff --git a/ci/style.sh b/ci/style.sh
index 44e371583e84e..0d4a4f953dda1 100755
--- a/ci/style.sh
+++ b/ci/style.sh
@@ -59,13 +59,9 @@ done < "$tmpfile"
 
 rm "$tmpfile"
 
-if shellcheck --version ; then
-    # FIXME(ctest): update ctest scripts so we don't need to exclude them
-    find . -name '*.sh' -not -path './ctest/*' -print0 | xargs -0 shellcheck
-else
-    echo "shellcheck not found"
-    exit 1
-fi
+# Run once from workspace root to get everything that wasn't handled as an
+# individual file.
+cargo fmt
 
 # Ensure that `sort` output is not locale-dependent
 export LC_ALL=C
@@ -88,3 +84,10 @@ for file in libc-test/semver/*.txt; do
         exit 1
     fi
 done
+
+if shellcheck --version ; then
+    find . -name '*.sh' -print0 | xargs -0 shellcheck
+else
+    echo "shellcheck not found"
+    exit 1
+fi
diff --git a/ctest-test/tests/all.rs b/ctest-test/tests/all.rs
index 064dde057fbb3..b8f29e6799737 100644
--- a/ctest-test/tests/all.rs
+++ b/ctest-test/tests/all.rs
@@ -199,4 +199,3 @@ fn test_invalid_include_path() {
 
     assert!(err.is_err(), "Expected error with invalid include path");
 }
-
diff --git a/ctest/src/lib.rs b/ctest/src/lib.rs
index 0b0e7d357001d..54912fc715f7a 100644
--- a/ctest/src/lib.rs
+++ b/ctest/src/lib.rs
@@ -13,9 +13,6 @@
 #![recursion_limit = "256"]
 #![deny(missing_docs)]
 
-use anyhow::{anyhow, Context, Result};
-use garando_syntax as syntax;
-use indoc::writedoc;
 use std::collections::{HashMap, HashSet};
 use std::env;
 use std::fs::File;
@@ -23,6 +20,10 @@ use std::io::prelude::*;
 use std::io::BufWriter;
 use std::path::{Path, PathBuf};
 use std::rc::Rc;
+
+use anyhow::{anyhow, Context, Result};
+use garando_syntax as syntax;
+use indoc::writedoc;
 use syntax::abi::Abi;
 use syntax::ast;
 use syntax::ast::{Attribute, Name};
diff --git a/src/windows/mod.rs b/src/windows/mod.rs
index f364af54be49f..dfee0df55c8f7 100644
--- a/src/windows/mod.rs
+++ b/src/windows/mod.rs
@@ -386,7 +386,12 @@ extern "C" {
     #[link_name = "_get_timezone"]
     pub fn get_timezone(seconds: *mut c_long) -> errno_t;
     #[link_name = "_get_tzname"]
-    pub fn get_tzname(p_return_value: *mut size_t, time_zone_name: *mut c_char, size_in_bytes: size_t, index: c_int) -> errno_t;
+    pub fn get_tzname(
+        p_return_value: *mut size_t,
+        time_zone_name: *mut c_char,
+        size_in_bytes: size_t,
+        index: c_int,
+    ) -> errno_t;
     #[link_name = "_localtime64_s"]
     pub fn localtime_s(tmDest: *mut tm, sourceTime: *const time_t) -> crate::errno_t;
     #[link_name = "_time64"]